Innersole.



E. C. DONNELL.

INNERSOLE. APPLICATION FIL ED APR.9. 1915.

Patented Sept. 7,1915.

UCKRAM 6 I 4 E0 7".- 71/ ai annez BEST-AVAILABLE Corr as A FFICE.

INN ERS OLE.

To all whom it may concern:

Be it known that I, EnwrN C. DoNnnLL, a citizen of the United States, and resident of Brockton, in the county of'Plymouth and State of Massachusetts, have inventedcertain new and useful Improvements in Innersoles, of which the following is a speclfication.

This invention relates to an 1nner s0le for a welted shoe having an inseam stitchengaging .lip formed separately from and attached to the body of the sole.

The invention has for its object to provide an. improved construction of the sole body and the lip whereby a strong, substantial and durable water-proof sole may be produced'at a minimum cost both for material and labor.

The invention consists in the improyements which I will now proceed to describe and claim. Q D

Of the accompanying drawings forming a part of this specification: Figure 1 represents a plan view of an inner sole'embodying my invention; Fig. 2 represents a section on line 2-2 of Fig. 1; Fig. 3 represents a plan "iew of a portion of the intermediate layer hereinafter referred to; Fig. 4 represents an enlarged section on line 44 of Fig. 3; Fig. 5 represents a fragmentary sectional view on an enlarged scale showing the layers of which the sole body is composed as they appear before the body 1s grooved; Fig. 6 represents a view slmilar to Fig. 5, showing the body grooved; Fig. 7 represents a transverse sect1on showing the strip from which the inseam stitch-em gaging lip is made; Fig. 8 represents an enlargement of a portlon of F g. 2; Fig. 9 represents a View similarto Fig. 8, showing a modification; Figs. 10 and 11 represent sectional views showing another modification.

The same reference characters indicate the same or similar parts in all the views.

In making my improved inner sole I proceed preferably as follows: I provide a soleshaped layer 12 of material which is com pressible and preferably absorbent, the best material of fabric known as buckram, and composed of relatively coarse and loosely woven Warp and weft threads, this material possessing a desirable degree of tensile strength, and bemg relatively thick, so that it may be readily indented to form the groove hereinafter de- Specification of Letters Patent. Application filed April 9, 1915.

of the body than elsewhere.

Patented Sept. 7, 1915. Serial No. 20,185.

scribed. To one side of the layer 12, which I call the intermediate layer, I cement a facing layer 13 of relatively thin woven textile fabric, preferably the cotton fabric known as sheeting or light duck. I then apply indenting pressure to the incomplete I the assembled layers 12 in such manner as to form an eloneXtending from a point near the heel end and near one edge of said body to a corresponding point near the heel end and near the opposite edge of said body, both ends of the groove being shown by Fig. 1. The groove extends continuously from one of the cnds'shown by Fig. 1 substantially parallel with the margin of the body and along the shank portion, the fore portion and the toe portion, the groove being separated from the margin by a space which determines the width. of the usual feather portion prrwided between thcinseam stitch-receiving lip hereinafter described, and the margin of the body. Said feather portion may vary in width, if desired, and may be wider at the shank portion The indenting pressure is exerted on the facing layer 13 while the intermediate layer 12 is supported flat surface, so that .the groove is formed by indenting and compressing both layers, the compression being mainly effected in the relatively thick and compressible layer 12, as indicated by Fig. 6. I piefor to apply coatings 12 of waterproofing material, such as gutta percha, to the sides of the layer 12, said material being absorbed more or less by the absorbent material of said layer, and not only waterproofing the layer, but also increasing its confoinnability to the indenting pressure, so that th groove formed as described is permanent. ",1 next attach to said incomplete body an inseam stitch-engaging lip, composed of an\elongated strip 16 which may be made of lchthcr having a grain side 16, or other sui able material. Said strip is preferably hentrally reduced in thickness by a longitudinal groove 17 formed midway between its edges, and'is united to the incomplete body formed by the layers 12 and 13 by stitchps 18 pass-\ mg through the reduced central portion of below the path of the needle which forms.

located in the groove 14:. The groove 17 enables the strip 16 to be bent without causing its neck portion to the usual inseam stitches 22 during the operation of stitching a welt and an upper to of the inner sole, hence the stitches be cut or injured by the said needle, nor by an awl employed to form holes for the inseam stitches.

The compressibility of the intermediate layer 12 adapts the sole to be indented to form the groove 14, and the porosity of said layer renders it an effective holder for the the lip 18 cannot waterproofing material.

If desired, a layer 23 of canvas may beinterposed between the intermediate layer 12 and the facing layer 20, as shown by Fig. 9.

Figs. 10 and 11 illustrate a modification in which the body 2440f the inner sole is composed of a single piece of leather havin a groove 14 cut in one side and a channe 25 cut in its opposite side to receive the stitches 18 which connect the lip forming strip 16 with the body. 5 a

ving described my invention, I claim: 1. An inner sole comprising a body havin a groove in one sidespaced from and f0 lowing the contour of its margin, an inseam stitch-engaging lip composed of an elongated strip fol ded longitudinally to form two lip members arranged side by side and a bent neck connecting said members and seated in said groove, and stitches uniting said strip with the body and passing through the neck of the strip, said stitches being depressed by the seating of the neck in the groove, below the points where the usual inseam stitches pass through the lip.

2. An inner sole comprising a body havthan the combined thickness of the pass through the lip.

. up of superimposed layers Amiting said strip with the body an pa ing through the neck of the strip, said stitches being depressed by the seating of the neck in the groove, below the points where the usual inseam :stitches pass through the lip, the strip being grooved to additionally depress the neck-e'ngaging stitches and prevent the neck from bulging laterally. 3. An inner solecomprising a body made up of superimposed layers including facing layers and an'intermediate layer of compressible materiahsaid body having an indented groove in one side spacedfrom and following the contour of its margin and formed .in one of the facing layers and the intermediate layer, an inseam stitch-enga lip composed of an elongated strip to longitudinally to form two lip members arranged side by side, and a bent neck connecting said members and seated in said groove, and stitches uniting said stripwith the body and passing through the neck of the strip; one of the facing layers, and the intermediate layer, said stitches bein covered by the other facing layer, and epressed by the seating of the neck in the groove, below the points where the usual inseam stitches 96 4. An inner sole comprising abody made including facing layers and an intermediate layer of prcssible material, which is also absorbent, said body having an indented groove in one side spaced from and following the contour of its margin and formed in one of the fac ing layers and the intermediate layer, the I sides of the intermediate layer being more or less impregnated with a waterproofing material, having also the capacity of rendering the groove permanent, an inseam stitch en aging lip composed of an elongated strip fo ded longitudinally to form two lip members arranged 1! n side by side, and a bent nee connecting said members and seated in said groove, and stitches uniting said strip with the body and passing through the neck of the strip, one of the facing ayers, and the intermediate layer, said stitches being covered by the other facin layer. a

'In. testimony whereof I have aflixed mysignature. I

EDWIN c. DONNELL. v

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